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Finding the Fourth Proportional to 27,163.80, 40,745.70 and 23,707.80

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Solution

The fourth proportional to 27,163.80, 40,745.70 and 23,707.80 is: 35,561.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,163.80 : 40,745.70 = 23,707.80 : x
  2. Step 2: Convert to fraction form
    27,163.80/40,745.70 = 23,707.80/x
  3. Step 3: Cross multiply
    27,163.80x = 40,745.70 × 23,707.80
  4. Step 4: Simplify right side
    27,163.80x = 965,990,906.46
  5. Step 5: Solve for x
    x = 965,990,906.46/27,163.80
  6. Step 6: Final answer
    x = 35,561.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.